🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 990.3

Radius: 9.8

Gravity: 10.31 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 0.59 AU - 0.61 AU

Year: 310 Days

Day: 12.7 Hours

Environment

Temp: -156 °C

Axial Tilt: 38.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 40,614,445 km

• M1: 121,922 km (0.102 R)
• M2: 444,006 km (0.049 R)
• M3: 763,398 km (0.096 R)
• M4: 1,089,671 km (0.092 R)
• M5: 1,447,359 km (0.098 R)
• M6: 2,008,052 km (0.106 R)
• M7: 2,344,199 km (0.049 R)
• M8: 2,757,538 km (0.038 R)
• M9: 3,175,215 km (0.097 R)
• M10: 3,492,362 km (0.114 R)
• M11: 3,843,319 km (0.097 R)
• M12: 4,352,400 km (0.101 R)
• M13: 4,935,683 km (0.115 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 339.6

Radius: 14.7

Gravity: 1.57 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 1.09 AU - 1.23 AU

Year: 833 Days

Day: 10.7 Hours

Environment

Temp: -174 °C

Axial Tilt: 24 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 40,614,445 km

• M1: 187,297 km (0.114 R)
• M2: 690,693 km (0.095 R)
• M3: 2,137,903 km (0.097 R)
• M4: 2,654,465 km (0.081 R)
• M5: 3,365,653 km (0.067 R)
• M6: 3,862,467 km (0.048 R)
• M7: 4,378,580 km (0.063 R)
• M8: 6,116,758 km (0.118 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 106

Radius: 11.5

Gravity: 0.8 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 1.19 AU - 1.71 AU

Year: 1164 Days

Day: 8.8 Hours

Environment

Temp: -186 °C

Axial Tilt: 43.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 40,614,445 km

• M1: 143,016 km (0.072 R)
• M2: 761,304 km (0.118 R)
• M3: 1,235,529 km (0.111 R)
• M4: 4,512,021 km (0.083 R)
• M5: 5,010,332 km (0.093 R)
• M6: 6,064,548 km (0.076 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 811.6

Radius: 13.1

Gravity: 4.73 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 1.31 AU - 1.77 AU

Year: 1274 Days

Day: 5.7 Hours

Environment

Temp: -191 °C

Axial Tilt: 28.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 40,614,445 km

• M1: 162,912 km (0.103 R)
• M2: 1,069,326 km (0.107 R)
• M3: 1,805,945 km (0.092 R)
• M4: 2,238,583 km (0.048 R)
• M5: 2,662,992 km (0.033 R)
• M6: 3,303,869 km (0.028 R)
• M7: 4,097,934 km (0.096 R)
• M8: 4,856,994 km (0.07 R)
• M9: 6,111,971 km (0.102 R)
• M10: 7,388,040 km (0.063 R)
• M11: 8,456,468 km (0.042 R)
• M12: 9,254,723 km (0.111 R)
• M13: 11,347,896 km (0.044 R)
• M14: 12,806,775 km (0.076 R)

Asteroid Belt

Center: 3.49 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 5.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 972.7

Radius: 13.4

Gravity: 5.42 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 5.1 AU - 5.78 AU

Year: 8461 Days

Day: 9.9 Hours

Environment

Temp: -219 °C

Axial Tilt: 1.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 40,614,445 km

• M1: 169,794 km (0.093 R)
• M2: 706,401 km (0.073 R)
• M3: 1,154,596 km (0.078 R)
• M4: 1,815,370 km (0.109 R)
• M5: 2,445,028 km (0.118 R)
• M6: 2,950,519 km (0.092 R)
• M7: 3,501,189 km (0.097 R)
• M8: 4,601,930 km (0.111 R)
• M9: 5,991,993 km (0.11 R)
• M10: 7,276,740 km (0.059 R)
• M11: 9,635,150 km (0.033 R)
• M12: 11,284,317 km (0.081 R)
• M13: 12,757,407 km (0.083 R)
• M14: 14,037,815 km (0.115 R)
• M15: 14,547,645 km (0.071 R)
• M16: 16,082,519 km (0.047 R)
• M17: 17,870,513 km (0.113 R)
• M18: 22,697,288 km (0.079 R)
• M19: 23,400,398 km (0.106 R)
• M20: 28,532,503 km (0.116 R)
• M21: 29,351,701 km (0.114 R)
• M22: 33,233,466 km (0.07 R)
• M23: 34,254,920 km (0.113 R)
• M24: 37,933,981 km (0.071 R)
• M25: 41,476,309 km (0.078 R)
• M26: 42,793,219 km (0.05 R)
• M27: 46,347,515 km (0.116 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.71 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 583.4

Radius: 3.1

Gravity: 60.71 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 6.62 AU - 6.8 AU

Year: 11591 Days

Day: 23.4 Hours

Environment

Temp: -235 °C

Axial Tilt: 6.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 40,614,445 km

• M1: 39,195 km (0.076 R)
• M2: 489,335 km (0.083 R)
• M3: 609,163 km (0.097 R)
• M4: 1,174,044 km (0.093 R)
• M5: 1,404,724 km (0.083 R)
• M6: 2,474,498 km (0.091 R)
• M7: 2,659,252 km (0.092 R)
• M8: 4,219,258 km (0.045 R)
• M9: 6,683,734 km (0.092 R)
• M10: 6,881,203 km (0.091 R)
• M11: 7,709,676 km (0.041 R)
• M12: 13,418,630 km (0.101 R)
• M13: 20,420,857 km (0.101 R)
• M14: 21,856,249 km (0.113 R)
• M15: 28,270,407 km (0.087 R)
• M16: 32,799,782 km (0.105 R)
• M17: 34,293,816 km (0.066 R)
• M18: 39,558,464 km (0.102 R)
• M19: 40,203,530 km (0.079 R)
• M20: 43,808,240 km (0.099 R)
• M21: 44,221,579 km (0.119 R)
• M22: 45,336,682 km (0.116 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.79 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 569.2

Radius: 6.7

Gravity: 12.68 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 6.36 AU - 7.22 AU

Year: 11799 Days

Day: 15.8 Hours

Environment

Temp: -231 °C

Axial Tilt: 5.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 40,614,445 km

• M1: 93,050 km (0.075 R)
• M2: 361,877 km (0.106 R)
• M3: 726,896 km (0.1 R)
• M4: 1,399,338 km (0.084 R)
• M5: 1,776,176 km (0.055 R)
• M6: 2,775,041 km (0.083 R)
• M7: 3,596,333 km (0.099 R)
• M8: 5,332,117 km (0.105 R)
• M9: 5,814,121 km (0.116 R)
• M10: 6,944,782 km (0.103 R)
• M11: 9,986,256 km (0.105 R)
• M12: 13,878,793 km (0.076 R)
• M13: 14,394,457 km (0.042 R)
• M14: 14,855,966 km (0.105 R)
• M15: 17,387,461 km (0.117 R)
• M16: 18,754,935 km (0.076 R)
• M17: 26,779,515 km (0.11 R)
• M18: 28,187,829 km (0.082 R)
• M19: 30,070,219 km (0.111 R)
• M20: 42,341,433 km (0.102 R)
• M21: 47,218,174 km (0.115 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.25 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 245.9

Radius: 4.9

Gravity: 10.24 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 6.19 AU - 8.31 AU

Year: 13018 Days

Day: 19.7 Hours

Environment

Temp: -240 °C

Axial Tilt: 13.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 40,614,445 km

• M1: 65,973 km (0.078 R)
• M2: 375,790 km (0.098 R)
• M3: 580,589 km (0.088 R)
• M4: 989,889 km (0.118 R)
• M5: 1,352,814 km (0.089 R)
• M6: 1,784,852 km (0.114 R)
• M7: 1,968,858 km (0.038 R)
• M8: 3,285,169 km (0.083 R)
• M9: 4,462,205 km (0.106 R)
• M10: 5,600,196 km (0.103 R)
• M11: 6,064,249 km (0.104 R)
• M12: 6,482,225 km (0.076 R)
• M13: 6,993,700 km (0.066 R)
• M14: 8,474,719 km (0.109 R)
• M15: 8,908,404 km (0.047 R)
• M16: 9,265,793 km (0.101 R)
• M17: 10,201,228 km (0.031 R)
• M18: 10,942,935 km (0.053 R)
• M19: 11,666,988 km (0.082 R)
• M20: 11,933,123 km (0.087 R)
• M21: 14,514,285 km (0.054 R)
• M22: 14,698,440 km (0.057 R)
• M23: 15,387,487 km (0.084 R)
• M24: 18,216,682 km (0.111 R)
• M25: 20,055,390 km (0.12 R)
• M26: 21,853,107 km (0.045 R)
• M27: 22,502,811 km (0.032 R)
• M28: 31,742,574 km (0.099 R)
• M29: 34,720,768 km (0.115 R)
• M30: 35,940,140 km (0.056 R)
• M31: 38,229,586 km (0.101 R)
• M32: 40,614,476 km (0.114 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 539 - 16,606 AU

Composition

Type: Cometary Reservoir

System's final boundary, containing trillions of icy planetesimals.

Gravitational Limit